Explanation – The International Astronomical Union (IAU) is primarily responsible for establishing standards and classifications for astronomical objects. It is the global authority for naming celestial bodies, such as stars, planets, and asteroids, as well as their surface features. The IAU also sets standards for astronomical measurements and coordinates international collaboration in astronomy. It was founded in 1919. It headquarters is in Paris, France. It also collaborates with scientific organizations globally.

Source: Forum IAS